A girl carefully exits a portable toilet trying to avoid rain and shower flooding, at a sports complex sheltering thousands of Central Americans, in Tijuana, Mexico, Thursday, Nov. 29, 2018. Aid workers and humanitarian organizations expressed concerns Thursday about the unsanitary conditions at the sports complex in Tijuana where more than 6,000 Central American migrants are packed into a space adequate for half that many people and where lice infestations and respiratory infections are rampant.(AP Photo/Rebecca Blackwell), APTOPIX